package io;

import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class WriteStringDemo {
    public static void main(String[] args) throws IOException {
        FileOutputStream fos = new FileOutputStream("abc.txt",true);
        String str = "hello world";

        byte[] b = str.getBytes(StandardCharsets.UTF_8);
        fos.write(b);
        str = "你好";
        b= str.getBytes(StandardCharsets.UTF_8);
        fos.write(b);
        System.out.println("写入完毕");
        fos.close();
    }
}
